diff --git a/package.json b/package.json
index a73900e..c3b266b 100644
--- a/package.json
+++ b/package.json
@@ -122,7 +122,7 @@
     "svelte": "^4.0.0",
     "svelte-eslint-parser": "^1.0.0",
     "svelte2tsx": "^0.7.0",
-    "tsdown": "^0.11.0",
+    "tsdown": "^0.12.0",
     "typescript": "~5.8.0",
     "unplugin-unused": "^0.5.0",
     "vue": "^3.2.41",